/Engine/Source/Runtime/Core/Public/Math/Float16.h
Convert from Fp32 to Fp16, truncating low bits. (backward-compatible conversion; was used bySet()previously) Clamps values out of range to [-MaxF16Float,MaxF16Float] Convert from Fp32 to Fp16, round-to-nearest-even. (RTNE) Stores values out of range as +-Inf
void SetTruncate ( float FP32Value )